1-Pentene, 4-methyl-
- Formula: C6H12
- Molecular weight: 84.1595
- IUPAC Standard InChIKey: WSSSPWUEQFSQQG-UHFFFAOYSA-N
- CAS Registry Number: 691-37-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 4-Methyl-1-pentene; (CH3)2CHCH2CH=CH2; 4-Methylpentene-(1); Isobutylethene; 4-methylpent-1-ene
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Phase change data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 327.0 ± 0.3 | K | AVG | N/A | Average of 21 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 130. ± 30. | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 495. | K | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 32.90 | bar | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 1.50 bar; derived from fit of obs. vapor pressure; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.83 | mol/l | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 0.12 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 28.8 ± 0.2 | kJ/mol | V | Steele, Chirico, et al., 1997, 2 | ALS |
ΔvapH° | 28.6 ± 0.2 | kJ/mol | EB | Steele, Chirico, et al., 1997, 3 | Based on data from 310. to 360. K.; AC |
ΔvapH° | 28.7 | kJ/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 28.7 | kJ/mol | V | Camin and Rossini, 1956 | ALS |
ΔvapH° | 28.7 | kJ/mol | N/A | Pennington, Scott, et al., 1956 | Based on data from 287. to 328. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
27.4 ± 0.3 | 320. | EB | Steele, Chirico, et al., 1997, 3 | Based on data from 310. to 360. K.; AC |
26.2 ± 0.4 | 340. | EB | Steele, Chirico, et al., 1997, 3 | Based on data from 310. to 360. K.; AC |
24.9 ± 0.5 | 360. | EB | Steele, Chirico, et al., 1997, 3 | Based on data from 310. to 360. K.; AC |
30.1 | 280. | A | Stephenson and Malanowski, 1987 | Based on data from 265. to 333. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.93 | 118.9 | Lebedev, Smirnova, et al., 1994 | AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele, Chirico, et al., 1997
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A.,
Thermodynamic Properties and Ideal-Gas Enthalpies of FOrmation for 2-Aminoisobutyric Acid (2-Methylalanine), Acetic Acid, (Z)-5-Ethylidene-2- norbornene, Mesityl Oxide (4-Methyl-3-pentene-2-one), 4-M,
J. Chem. Eng. Data, 1997, 42, 1053-66. [all data]
Steele, Chirico, et al., 1997, 2
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A.,
Thermodynamic properties and ideal-gas enthalpies of formation for 2-aminoisobutyric acid (2-methylalanine), acetic acid, (4-methyl-3-penten-2-one), 4-methylpent-1-ene, 2,2'-bis(phenylthio)propane, and glycidyl phenyl ether (1,2-epoxy-3-phenoxypropane),
J. Chem. Eng. Data, 1997, 42, 1052-1066. [all data]
Steele, Chirico, et al., 1997, 3
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A.,
Thermodynamic Properties and Ideal-Gas Enthalpies of Formation for 2-Aminoisobutyric Acid (2-Methylalanine), Acetic Acid, ( Z )-5-Ethylidene-2-norbornene, Mesityl Oxide (4-Methyl-3-penten-2-one), 4-Methylpent-1-ene, 2,2'-Bis(phenylthio)propane, and Glycidyl Phenyl Ether (1,2-Epoxy-3-phenoxypropane),
J. Chem. Eng. Data, 1997, 42, 6, 1053-1066, https://doi.org/10.1021/je970099y
. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [all data]
Camin and Rossini, 1956
Camin, D.L.; Rossini, F.D.,
Physical properties of the 17 isomeric hexenes of the API research series,
J. Phys. Chem., 1956, 60, 1446. [all data]
Pennington, Scott, et al., 1956
Pennington, R.E.; Scott, D.W.; Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Hossenlopp, I.A.; Waddington, G.,
The chemical thermodynamic properties and rotational tautomerism of 1-propanethiol,
J. Am. Chem. Soc., 1956, 78, 3266-3272. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Lebedev, Smirnova, et al., 1994
Lebedev, B.V.; Smirnova, N.N.; Vasil'ev, V.G.; Kiparisova, E.G.; Kleiner, V.I.,
Thermodynamic characteristics of 4-methylpentene-1, poly(4-methylpentene-1), and 4-methylpentene-1 polymerization,
Vysokomol. Soed. A, 1994, 36, 9, 1413. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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